[wasm] Fix asm.js module instantiation on retry.

test/mjsunit/asm/asm-validation.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --validate-asm --allow-natives-syntax
 
 function IsAlwaysOpt(module) {
   return %GetOptimizationStatus(module) === 3;
 }
 
@@ skipping 156 matching lines @@
   var Module2 = MkModule();
   var heap = new ArrayBuffer(1024 * 1024);
   var m1 = Module1({}, {}, heap);
   assertTrue(%IsAsmWasmCode(Module1) || IsAlwaysOpt(Module1));
   var m2 = Module2(1, 2, 3);
   assertFalse(%IsAsmWasmCode(Module2));
   assertEquals(123, m1.foo());
   assertEquals(123, m2.foo());
 })();
 
+(function TestSuccessThenFailureThenRetry() {
+  function MkModule() {
+    function Module(stdlib, ffi, heap) {
+      "use asm";
+      function foo() { return 123; }
+      return { foo: foo };
+    }
+    return Module;
+  }
+  var Module1 = MkModule();
+  var Module2 = MkModule();
+  var heap = new ArrayBuffer(1024 * 1024);
+  var m1a = Module1({}, {}, heap);
+  assertTrue(%IsAsmWasmCode(Module1) || IsAlwaysOpt(Module1));
+  var m2 = Module2(1, 2, 3);
+  assertFalse(%IsAsmWasmCode(Module2));
+  var m1b = Module1({}, {}, heap);
+  assertFalse(%IsAsmWasmCode(Module1));
+  assertEquals(123, m1a.foo());
+  assertEquals(123, m1b.foo());
+  assertEquals(123, m2.foo());
+})();
+
 (function TestBoundFunction() {
   function Module(stdlib, ffi, heap) {
     "use asm";
     function foo() { return 123; }
     return { foo: foo };
   }
   var heap = new ArrayBuffer(1024 * 1024);
   var ModuleBound = Module.bind(this, {}, {}, heap);
   var m = ModuleBound();
   assertTrue(%IsAsmWasmCode(Module) || IsAlwaysOpt(Module));
   assertEquals(123, m.foo());
 })();